Painting latex paint is a process for every home decoration, but painting latex paint is a technical activity, and some quality problems may need to be solved during construction. Let's take a look at the quality defects of latex paint. What are the solutions?

Latex paint quality defects:

Latex paint quality defects: 1, the coating is not smooth

The main reason is that the paint liquid has impurities, the paint liquid is too thick, and the latex paint quality is poor.

Solution: Use a brand with good leveling during construction. The paint should be filtered and used before the last coat. The paint solution should not be too thick. When the coating is not smooth, it can be smoothed with fine sandpaper and then painted again.

Latex paint brush quality defects: 2, falling

The main reason is that the viscosity of the coating is too low and the coating is too thick.

Solution: The consistency of the paint must be adjusted during construction. Do not add too much water. When operating, the pen must be diligent, less sturdy and diligent to avoid sag and runny. If a falling cake occurs, wait for the paint film to dry and then sand it with fine sandpaper. After cleaning the finish, apply a top coat.

Latex paint brushing quality defects: 3, foaming

The main reason: improper treatment of the base layer, the coating is too thick, especially when the large core board is used as the base layer, foaming is likely to occur.

Solution: The paint should be evenly mixed before use. If you master the consistency of the paint, you can brush the 107 glue on the bottom putty layer before painting. In the rework repair, the foaming and peeling should be cleaned, first brush 107 glue and then repair.

Latex paint brushing quality defects: 4, shedding

The main reason is that the latex paint has a low construction temperature and cannot form a continuous coating film and cracks. When it meets water, it will fall off; the base layer is loose, there is oil and other dirt, and the coating film and the base layer are not well adhered, causing spalling; The putty strength is low, the putty layer is not dry, that is, the latex paint is applied; the base layer is too smooth, so that the adhesion of the coating film is not good.

Solution: Observe before construction. If there is leakage, please ask the relevant department to solve it in time. Special treatment should be added. It is recommended to use the durable and waterproof bombs to pre-treat the wall surface, and then brush it as usual. The wall must be cleaned during construction.

Latex paint quality defects: 5, discoloration and fading

The main reasons are: some walls are too hot, the sunshine time is long, or the water-soluble salt crystallizes on the surface of the wall, causing discoloration and fading of the latex paint; some walls contain too much alkali value, which is harmful to alkali resistance. A weak pigment or resin causes discoloration and fading.

Solution: Do not use both latex and polyurethane paint. Apply the latex paint two days after the paint is applied, or brush the oil after the latex paint is completely dry.

Latex paint brushing quality defects: 6, crack

The main reason: the construction temperature is too low, can not reach the filming temperature of the latex paint and can not form a continuous coating film; improper treatment of the base layer, cracking of the coating caused by wall cracking; the first coating is too thick The second pass is completely dry, and the cracking of the coating film is caused by the difference in drying speed inside and outside; the cracking of the cement putty in the batch scraping causes cracking of the coating film.

Solution: During the construction process, the base layer should be handled well. Pay attention to the temperature and follow the formal process. The quality of the selected cement putty and other materials is guaranteed.

Latex paint brush quality defects: 7, anti-alkali powder

The main reason: the wet construction of the base layer is not dry, the unpainted primer and the coating is too thin is also an important reason.

Solution: If the anti-alkali powder is found, it should be reworked and re-coated, and the brushed material should be removed, and then the base layer should be dry before construction. The construction must be done with a sealing primer first, especially for new walls, the consistency of the topcoat should be appropriate, and the white wall should be slightly thicker.

Latex paint brush quality defects: 8, through the bottom

The main reason is that the paint is too thin, the number of times is insufficient, or the material quality is poor.

Solution: During the construction, the product with high solid content and strong hiding power should be selected. If the bottom is found, the number of paintings of the top paint should be increased to meet the wall painting requirements.

Latex paint may have various quality problems in the process of painting, which needs to be solved separately. The above are the common quality defects and solutions of several kinds of latex paints in construction, and the craftsman of the construction master is also very Important, so everyone should pay attention.

[Follow the WeChat public number "Jiuzheng Paint Network"; pay attention to surprises, scan code to view "If your husband is selling paint..." Jiuzheng Coating Network Exchange Group]

Electrostatic Spray Gun

Electrostatic Paint Sprayer,Electrostatic Paint Gun,Electrostatic Paint Sprayer For Sale,Electrostatic Spray Gun Price

Lizhi Precision Manufacturing Technology Co.,Ltd , https://www.lizhihardware.com